Philadelphia County, Pennsylvania, United States

Last updated: 1:14 AM CDT · Refresh

21°C

Feels like 23°

Haze

▲ 31° / ▼ 22°

Wind

5 mph S

Humidity

87%

Dew Point

20°

Pressure

29,73 inHg

Visibility

1 mi

UV Index

0,0

Cloud Cover

91%

Sunrise

6:14 AM

Sunset

7:54 PM

Drag to pan · double-click to forecast a point

WeatherAI™ Analysis

WeatherAI Analysis: Philadelphia County is currently haze at 21°C. Precipitation is likely — peak probability 71% around 2 AM. Atmospheric instability is elevated (CAPE up to 1214 J/kg) — isolated convective development possible. Sunrise: 6:14AM · Sunset: 7:54PM.

49 AQI · Good Dominant: PM2.5 Air Quality

Hourly Forecast · Next 24 Hours

Now

21°

70%

3 AM

21°

61%

4 AM

21°

48%

5 AM

21°

39%

6 AM

21°

39%

7 AM

21°

14%

8 AM

22°

9 AM

23°

10 AM

24°

11 AM

26°

16%

12 PM

27°

16%

1 PM

29°

21%

2 PM

29°

20%

3 PM

30°

31%

4 PM

31°

31%

5 PM

31°

34%

6 PM

31°

42%

7 PM

29°

47%

8 PM

29°

47%

9 PM

26°

47%

10 PM

26°

21%

11 PM

25°

11%

12 AM

24°

12%

1 AM

24°

7-Day Forecast

Today

31° 22°

Partly Cloudy with a 70% chance of rain.

Tue

32° 22°

Mostly Clear.

Wed

33° 21°

Mostly Clear.

Thu

32° 22°

Mostly Clear with a 74% chance of rain.

Fri

29° 21°

Rain, 82% chance.

Sat

29° 19°

Rain, 82% chance.

Sun

31° 20°

Rain, 63% chance.

+ Feels like

TimeTempConditionsPrecipWindHumidity

Now 21° Haze 70% 5 mph S 87%

3 AM 21° Overcast 61% 5 mph SSE 91%

4 AM 21° Overcast 48% 5 mph S 94%

5 AM 21° Overcast 39% 4 mph SSW 95%

6 AM 21° Overcast 39% 4 mph SW 94%

7 AM 21° Mostly Cloudy 14% 4 mph WSW 94%

8 AM 22° Partly Cloudy 3% 6 mph W 91%

9 AM 23° Partly Cloudy 4% 5 mph WNW 86%

10 AM 24° Partly Cloudy 4% 5 mph WNW 80%

11 AM 26° Partly Cloudy 16% 6 mph WNW 75%

12 PM 27° Partly Cloudy 16% 6 mph WNW 70%

1 PM 29° Partly Cloudy 21% 6 mph WNW 65%

2 PM 29° Mostly Clear 20% 7 mph WNW 61%

3 PM 30° Mostly Clear 31% 6 mph WNW 60%

4 PM 31° Mostly Clear 31% 6 mph WNW 58%

5 PM 31° Mostly Clear 34% 6 mph W 58%

6 PM 31° Partly Cloudy 42% 5 mph W 62%

7 PM 29° Partly Cloudy 47% 5 mph W 67%

8 PM 29° Partly Cloudy 47% 4 mph WNW 71%

9 PM 26° Mostly Cloudy 47% 4 mph WNW 76%

10 PM 26° Mostly Cloudy 21% 4 mph WNW 79%

11 PM 25° Mostly Cloudy 11% 4 mph WNW 82%

12 AM 24° Mostly Cloudy 12% 4 mph NW 82%

1 AM 24° Partly Cloudy 3% 4 mph NW 83%

15-Day Forecast

Today

8/17

Partly Cloudy

70%

22°

31°

Tue

8/18

Mostly Clear

22°

32°

Wed

8/19

Mostly Clear

14%

21°

33°

Thu

8/20

Mostly Clear

74%

22°

32°

Fri

8/21

Rain

82%

21°

29°

Sat

8/22

Rain

82%

19°

29°

Sun

8/23

Rain

63%

20°

31°

Mon

8/24

Drizzle

43%

18°

30°

Tue

8/25

Drizzle

44%

16°

31°

Wed

8/26

Clear

60%

19°

31°

Thu

8/27

Drizzle

60%

21°

31°

Fri

8/28

Drizzle

60%

20°

30°

Sat

8/29

Drizzle

60%

19°

30°

Sun

8/30

Drizzle

60%

19°

29°

Mon

8/31

Clear

60%

19°

29°

Good

U.S. Air Quality Index · Dominant: PM2.5

50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today

PM_2.5

Fine particulate matter

Dominant

49 AQI 8.9 µg/m³

O₃

Ground-level ozone

31 AQI 34 ppb

3-Day Outlook

DayAQICategoryO₃PM2.5

Today 49 Good 31 49

Tue 53 Moderate 44 53

Wed 59 Moderate 48 59

About the Air Quality Index

0–50 Good

51–100 Moderate

101–150 Unhealthy for Sensitive Groups

151–200 Unhealthy

201–300 Very Unhealthy

301–500 Hazardous

The U.S. AQI runs 0–500. The overall value equals the highest individual pollutant sub-index, and the dominant pollutant is the one driving it. PM_2.5 (fine particles) is reported in µg/m³ and ozone (O₃) in ppb. Forecast source: NWS NAQFC.

Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio

RAP

Valid lun. août 17, 05:00'Z' · F0 · 130 (13 km CONUS/NA)

Hodograph · kt

0–1 1–3 3–6 6–9 km

Instability

SBCAPE6 J/kg

MLCAPE17 J/kg

MUCAPE58 J/kg

SBCIN-0 J/kg

MLCIN0 J/kg

Lifted Index3.0

Kinematics

0–6 km Shear20 kt

0–1 km Shear25 kt

Eff. Shear—

0–1 km SRH203

0–3 km SRH213

Eff. SRH—

Storm Motion295° @ 20 kt

0–1 km EHI0.0

Composite Parameters

Sig. Tornado0.0

STP (eff)—

Supercell—

K-Index37.2

Thermo & Levels

PWAT2.42 in

0–3 km LR3.9 °C/km

700–500 LR5.5 °C/km

Total Totals43.2

LCL983 hPa

LFC1007 hPa

EL970 hPa

Freezing Lvl15,600 ft

Philadelphia County, Pennsylvania, United States

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